Helfrich's Dartfish, Nemateleotris helfrichi Randall & Allen 1973

A pair of Helfrichs' Dartfish, Nemateleotris helfrichi, on a steep seaward reef at Kwajalein Atoll, Marshall Islands, March 2003. Source: Jeanette Johnson / FishBase. License: CC by Attribution-NonCommercial

They have bright yellow head with purple forehead with purple and white shades on body.[2] 

Cite this page as:
Bray, D.J., Nemateleotris helfrichi in Fishes of Australia, accessed 21 Apr 2021,

Helfrich's Dartfish, Nemateleotris helfrichi Randall & Allen 1973

More Info


Reefs in the Coral Sea. Elsewhere the species occurs in the tropical, west-central Pacific. Often seen in pairs on steep reef slopes over rubble and sandy areas in depths of 25-90 m.


Dorsal fin VII, 28-31;  Anal fin I, 26-28.


Feeds on zooplankton in the water column.


Bray, D.J.


Australian Faunal Directory

Helfrich's Dartfish, Nemateleotris helfrichi Randall & Allen 1973


Allen, G.R. & Erdmann, M.V. 2012. Reef fishes of the East Indies. Perth : Tropical Reef Research 3 vols, 1260 pp.

Larson, H.K. & Murdy, E.O. 2001. Microdesmidae. pp. 3607-3608 in Carpenter, K.E. & Niem, T.H. (eds) The Living Marine Resources of the Western Central Pacific. FAO Species Identification Guide for Fisheries Purposes. Rome : FAO Vol. 6 pp. 3381-4218.

Randall, J.E. 2005. Reef and shore fishes of the South Pacific. New Caledonia to Tahiti and the Pitcairn Islands. Honolulu : University of Hawaii Press 707 pp.

Randall, J.E. & Allen, G.R. 1973. A revision of the gobiid fish genus Nemateleotris, with descriptions of two new species. Quarterly Journal of the Taiwan Museum 26(3, 4): 347-367.

Quick Facts

Depth:25-90m (usually below 40m)

Fishing:Aquarium fish

Habitat:Reef associated

Max Size:6 cm TL

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